body{
    background-color: #F8F8FF;
}
button{
    border-radius: 5px;
}
#d1{
    margin-left: 50px;
    width: 200px;
    height: 600px;
    background-color: darkslategrey;
    float: left;
    font-size: 16px;

}
li{
    list-style-type:none
}
a{
    text-decoration:none
}
.tx2{
    width: 40px;
    height: 40px;
    margin-left: -30px;
    margin-top: -10px;
}
.content{
    margin-left: 17px;
    margin-top: -33px;
    color: white;
}
.font1{
    color: aquamarine;
}
.C001{
    color: #A9A9A9;
}
.xian{
    margin-left: -37px;
    color: whitesmoke;
    opacity: 50%;
}
#d2{
    float: left;
    margin-left: 20px;
    width: 1000px;
    height: 500px;
    background-color: white;
}
#max{
    margin-top: 20px;
    width: 100%;
    height: 580px;
}
.img1{
    width: 100%;
}
#addbook{
    margin-left: 30px;
    margin-top: 10px;
    float: left;
    width: 150px;
    height: 150px;
    border: 1px dashed burlywood;
    background-color: red;
    background-image: url("/Eventstar/img/book_01.png");
}
.book{
    margin-left: 30px;
    margin-top: 10px;
    float: left;
    width: 150px;
    height: 150px;
    background-image: url("/Eventstar/img/book_wenjj.jpg");
    border: 1px solid burlywood;
}
.bookname{
    position:absolute;
    font-size: 12px;
    margin-left: 60px;
    margin-top: 105px;
    color: black;
}
.books{
    height: 500px;

}
#new1{
    position: absolute;
    margin-left: 450px;
    width: 500px;
    height: 400px;
    background-color: white;
    border: 1px solid slategray;

}
#new1_head{
    width: 500px;
    height: 50px;
    background-color: greenyellow;
}
#new1_head img{
    margin-left: 10px;
    margin-top: 15px;
}
#new1_head span{
    position: absolute;
    margin-left: 8px;
    margin-top: 15px;
}
.s1{
    margin-left: 60px;
}
.s2{
    margin-left: 60px;
}
#d3{
    margin-top: 30px;
    margin-left: 50px;
    width: 400px;
    height: 120px;
}
#close{
    width: 24px;
    height: 24px;
    background-image: url("/Eventstar/img/book_close.png");
    position: absolute;
    margin-left:425px;
    margin-top: -170px;

}
#d3 button{
    border: 1px solid black;
    width: 100px;
    height: 40px;
    background-color: greenyellow;
    position: absolute;
    margin-top: 100px;
    margin-left: -170px;
    border-radius: 5px;

}